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Per-column collation support

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This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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4
src/include/utils/lsyscache.h
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@@ -60,8 +60,10 @@ extern char *get_relid_attribute_name(Oid relid, AttrNumber attnum);
extern AttrNumber get_attnum(Oid relid, const char *attname);
extern Oid get_atttype(Oid relid, AttrNumber attnum);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern Oid get_attcollation(Oid relid, AttrNumber attnum);
extern void get_atttypetypmod(Oid relid, AttrNumber attnum,
Oid *typid, int32 *typmod);
extern char *get_collation_name(Oid colloid);
extern char *get_constraint_name(Oid conoid);
extern Oid get_opclass_family(Oid opclass);
extern Oid get_opclass_input_type(Oid opclass);
@@ -124,6 +126,8 @@ extern void getTypeOutputInfo(Oid type, Oid *typOutput, bool *typIsVarlena);
extern void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typIOParam);
extern void getTypeBinaryOutputInfo(Oid type, Oid *typSend, bool *typIsVarlena);
extern Oid get_typmodin(Oid typid);
extern Oid get_typcollation(Oid typid);
extern bool type_is_collatable(Oid typid);
extern Oid getBaseType(Oid typid);
extern Oid getBaseTypeAndTypmod(Oid typid, int32 *typmod);
extern int32 get_typavgwidth(Oid typid, int32 typmod);